S355 St52.3 Q345b Square Steel Bar

• Standard: AISI, JIS, ASTM, DIN, BS, GB
• Certification: ISO
• Technique: Hot Rolled
• Wall Thickness: Thick
• Surface Treatment: Coated
• Alloy: Non-alloy
• Model NO.: KM-20201228
• Transport Package: in Bundles According to Seaworthy Export Package
• Specification: 30x30 ~110 x 110mm
• Trademark: Kingmetal
• Origin: China
• HS Code: 7214910000
• Production Capacity: 3000 Tons Per Month

Product Description

S355 ST52.3 Q345B Square Steel Bar
 

Specification:

S355 ST52.3 Q345B square steel bar crane rail

Length: 5.8m or other length according to customers' requirement

Material: S355 ST52.3 Q345B

Standard: EN10025-2: 2004, DIN17100, GB/T1591-2008

Materials:

S355   (ST52.3, Q345B)

Mechanical Property

Chemical Composition

Yield strength

Tensile strength

Elongation

Hardness

C

Si

Mn

S

P

Cr

Ni

Cu

MPa

kg/mm²

MPa

kg/mm²

min

HB

≤

≤

≤

≤

≤

≥355

450~680

≤0.22

≤0.55

≤1.60

0.025

0.025

0.25

0.25

0.25

 

Square steel bar Main sizes as below:

Size	Height(mm) A	Width(mm) B	Weight(kg/m)
30x30mm	30	30	7.065
40x40mm	40	40	12.56
50x50mm	50	50	19.625
60x60mm	60	60	28.26
70x70mm	70	70	38.465
80x80mm	80	80	50.24
90x90mm	90	90	63.585
100x100mm	100	100	78.5
110x110mm	110	110	94.985

We also can produce different sizes according to customer's request.